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Bug fix: DNS setup failure loop behavior

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This commit is contained in:
Quentin McGaw
2021-01-02 20:39:43 +00:00
parent 680aef62ee
commit 20deaf2950
1 changed files with 8 additions and 1 deletions
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9
internal/dns/loop.go
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@@ -109,7 +109,11 @@ func (l *looper) Run(ctx context.Context, wg *sync.WaitGroup, signalDNSReady fun
var unboundCancel context.CancelFunc = func() {}
waitError := make(chan error)
for ctx.Err() == nil && l.GetSettings().Enabled {
for l.GetSettings().Enabled {
if ctx.Err() != nil {
l.logger.Warn("context canceled: exiting loop")
return
}
var err error
unboundCancel, err = l.setupUnbound(ctx, crashed, waitError)
if err != nil {
@@ -118,6 +122,7 @@ func (l *looper) Run(ctx context.Context, wg *sync.WaitGroup, signalDNSReady fun
l.useUnencryptedDNS(fallback)
}
l.logAndWait(ctx, err)
continue
}
break
}
@@ -315,11 +320,13 @@ func (l *looper) RunRestartTicker(ctx context.Context, wg *sync.WaitGroup) {
}
func (l *looper) updateFiles(ctx context.Context) (err error) {
l.logger.Info("downloading DNS over TLS cryptographic files")
if err := l.conf.SetupFiles(ctx); err != nil {
return err
}
settings := l.GetSettings()
l.logger.Info("downloading hostnames and IP block lists")
hostnameLines, ipLines, errs := l.conf.BuildBlocked(ctx, l.client,
settings.BlockMalicious, settings.BlockAds, settings.BlockSurveillance,
settings.Unbound.BlockedHostnames, settings.Unbound.BlockedIPs,